Different previews in web and mobile

Dear Team,

The previews in Andriod Mobile app are having alignment issues as well as some of the components are missing in mobile preview.

Web preview is working excellent. !!

Why this discrepency? how to resolve it.

Extra Info: My Mobile is Oppo A5 series

Screenshot from 2020-05-07 17-37-08

Also Shadow style is not visible in Mobile preview for Rectangles